﻿/*
**  PairCallback类
*/
if (!$.Engine.Collision || typeof $.Engine.Collision === "undefined") $.Engine.Collision = {};
$.Engine.Collision.BoundValues = function () {
  this.lowerValues = [0, 0];
  this.upperValues = [0, 0];
};
Object.extend($.Engine.Collision.BoundValues.prototype, {
  lowerValues: [0, 0],
  upperValues: [0, 0]
});
